SKU: 21374204970

Maretron Direct Current DC Monitor [DCM100-01]

$234.45 $260.50
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Maretron Direct Current DC Monitor [DCM100-01]Maretron's DCM100 Monitor is an advanced electronic monitoring device used to measure the voltage and current of any direct current (DC) power source or load. Examples of DC power sources that can be monitored with the DCM100 include batteries, alternators, solar panelts, and wind generators. The DCM100 can also be used to monitor DC loads like inverters, windlasses, DC refrigerators, or any DC branch circuit. When the DCM100 is used to monitor

Maretron's DCM100 Monitor is an advanced electronic monitoring device used to measure the voltage and current of any direct current (DC) power source or load. Examples of DC power sources that can be monitored with the DCM100 include batteries, alternators, solar panelts, and wind generators. The DCM100 can also be used to monitor DC loads like inverters, windlasses, DC refrigerators, or any DC branch circuit. When the DCM100 is used to monitor batteries, sophisticated circuitry and software algorithms monitor battery temperature, load current, changing current, and terminal voltage to precisely compute battery state of charge, state of health, and time remaining. To measure current, the DCM100 uses an included state-of-the-art Hall effect current sensor which simply slips over the wire - you don't have to break connections or install connectors as you do with inline shunts used by other solutions. Best of all, the DCM100 is NMEA2000 certified so you can view any and all DC information anywhere on the vessel using a compatible NMEA 2000 display. The DCM100 is a key component of Maretron's N2KView vessel monitoring and control system.

  • Battery Voltage
  • Battery Current
  • Ripple Voltage
  • Battery Case Temperature
  • State of Charge
  • Time Remaining
  • Charge Efficiency Factor

    WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.


    Owner's Manual (pdf)
    • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 21374204970

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    4.3 ★★★★★
    Based on 1110 reviews
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    Product Reviews
    J
    J. Youm
    Waukegan, US
    ★★★★★ 4
    Arm can be positioned in many ways, but doesn't grip as hard and the phone rattles in rough roads
    I liked how this product looked in the picture so I ordered it. But when I installed it, I found out that it doesn't have the same amount of "grip power" because you have to turn a little knob on the side to tighten the grip and it's not that easy to do compared to other screw type phone mounts that have bigger screws. The magnet was slightly weaker than my existing phone holder but it was adequately strong. It was good to see how one could position the phone in different positions due to the way the arm is designed to be moved and adjusted. But the one biggest thing I didn't like is how the phone kept on shaking/rattling when I drove over rough roads. The metal arm is quite thin and although it's metal and not plastic, due to the thinness of the material, it was easily rattled and made the phone rattle a lot in return. Over smooth roads this won't be a big problem though. I wasn't quite satisfied with this, although it's adequately good enough.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 3, 2025
    A
    Verified Purchase
    Amazon junkie
    Massapequa, US
    ★★★★★ 5
    The search is over…
    Style: 15W Charger
    I have purchased so many mounts, but this one is perfect. It is easy to remove and apply to the screen. I don’t have to worry about damaging the screen with adhesive. The magnet is strong, and as a result, the phone is very stable. The most important benefit for me is the multiple viewing positions. The vertical placement and height are prefect. This is a quality product.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 17, 2026
    M
    Verified Purchase
    Michael J
    Bozeman, US
    ★★★★★ 5
    Reliable charging, surprisingly strong and securely holds my iPhone without needing any adhesive
    Style: 15W Charger
    The Qi2 15W Tesla MagSafe Charger is a great charging solution for my Model Y. I really appreciate the multiple mounting position options—it makes it easy to find the perfect setup. It also hides cords nicely, giving a clean, integrated look inside the car. The magnet is surprisingly strong and securely holds my iPhone without needing any adhesive, unlike other mounts I’ve tried. It delivers fast, reliable charging and works flawlessly with my MagSafe-compatible phone. Highly recommended for any Tesla owner looking for a clean and functional charging mount.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on July 1, 2025
    S
    Verified Purchase
    Sherlyn R. Lovell
    Draper, US
    ★★★★★ 5
    strong magnet
    Style: 15W Charger
    This procuts magnet is really strong. would hold a tablet but I don't recommend that. works just fine with my samsung Tab phone that is larger than most iphones.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 21, 2026
    R
    Verified Purchase
    Ryan Lannum
    Lowell, US
    ★★★★★ 1
    Cheap, easily breakable, and barley works
    Style: 15W Charger, Style: 15W Charger
    First off, it didn’t even come with the charging chord, so I had to order another separately after it came. The product broke the fourth time i used it, the whole thing came apart when i tried taking my phone off. When it was working, it charged maybe 1% every hour. Definitely not the best choice in the category, look at other options
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 21, 2025

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